Vitamin d3 Powder Feed Grade is obtained by dispersing an oily solution of cholecalciferol in an appropriate matrix which is usually based on a combination of gelatin and carbohydrates (sucrose and st ...Keyword : Vitamin D3

1. A kind of cold work tool steel in widespread use, belonging to ledeburitic steel of high-carbon and high-chromium. 2 .With quite good hardenability and abrasion resistance, but small quenching d ...Keyword : D3